Soothe and rehydrate sensitive skin with vichy aqualia thermal dynamic hydration serum, an innovative, lightweight formula that works to deliver deep and lasting hydration'. '.strtoupper('s')oft and soothing, the serum combines vichy thermal spa water with hyaluronic acid to instantly hydrate and calm the skin'. '.strtoupper('s')ensitive skin needs extra help using vichy's hydration serum will intensely hydrate the surface whilst penetrating deep within, enabling the skin's natural repair process to take place for a truly moisturised complexion'. '.strtoupper('h')ypoallergenic and paraben free'. '.strtoupper('t')ested on sensitive skin under dermatological control'. '.strtoupper('e')nriched with vichy thermal spa water'. '.strtoupper('d')irections for use apply a few drops of serum morning and or evening to a cleansed face'. '.strtoupper('s')mooth gently smooth all over the face'. '.strtoupper('t')his product can be used on its own or before your daily moisturiser.